Sudhir offers flameproof fans for hazardous Areas zone i and ii gas groups iia, iib & iic. It is Is: 2148/198 duly certified by cmri - dhanbad, Cce - nagpur. The ceiling fan has standard size of 48" and work in single phase 230v ac. Besides this, other available ranges are: exhaust fan, pedestal fan, wall mounting fan & mancooler from 12" to 36" both single phase and three phase application. Optional accessories are louvers, bird catch, front mesh for exhaust fan, switch or fan regulators.